Android : Setting A Layout To Use As Empty View For A ListView In Case Adapter Has Zero Items In A Activity

Nov 16, 2010

How to use a layout as empty view for a listview when the adapter has zero elements?

setEmptyView is not working with this code :

CODE:..............

Layouts used :

CODE:...........

main.xml

CODE:...............

Android : Setting a layout to use as empty view for a ListView in case adapter has zero items in a Activity


Android :: How To Show Empty View When ListView Is Empty?

Sep 22, 2010

For some reason the empty view (TextView in this case) always appears, even when the List is not empty. I thought the ListView would automatically detect when to show the empty view.How can I hook up the empty view properly?

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Android :: Way To Inflate Footer Layout Below Listview Without Empty Space?

Sep 6, 2010

I have listview and below it have footer to bind more data at footer button click event,the data has been binded well but the problem here is expanding of empty space after click event,when i scrolled to move down,when i reach the last list row by scrolling the footer position is being at same at initially loaded,but here the problem is the list scrolling is applies to this footer layout also when i scrolled down after list row the footer get's moving down,but i need it be after list last row and i also need to know how to scrolling to be stopped when particular condition satisfied.

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Android :: List View With A Custom Adapter / Items Can't Be Selected

Jun 2, 2009

I developed a List View with a custom adapter (which extends Array Adapter). The problem is that i can't selected or highlighted items. Is there a attribute to fix in the list View Layout or something else?

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Android :: Specify View To Use When ListView Is Empty?

Feb 12, 2010

I can't find this in the docs - isn't there a way to specify a View to use for a ListView if the adapter is empty?

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Android :: ListView - Use The Activity OnClickListener From A Custom Adapter?

Nov 1, 2010

I have a listView using a custom adapter. Each row contains a button and some other Views. I want to be able to click either on the button, or on the row itself (to edit the item of the list that is clicked).

Setting an onItemClickListener in the activity won't work because of this problem

I think I have to set an onClickListener in the getView() method of my adapter for it to work properly.
I would like to use my activity's onClickListener, in order to use a startActivityForResult() when the row is clicked, in order to have something returned to my activity when the item edition activity is over.
How can I do that?

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Android :: Removing Items From A ListView/ArrayAdapter Activity

Aug 24, 2009

I have a list (of messages) and I want to give the user the ability to remove these items from the list. I have extended an ArrayAdapter and give it an ArrayList of my messages and would like to simply remove an item from that list and then refresh the listview instead of reloading the entire list of sent messages. The problem is, if there's only one message and I remove it using listAdapter.remove(messageObject), the adapter is still calling getView and then throwing NullPointerExceptions all over the place. I'm not sure what the best way is to go about this.

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Android :: Setting Layout XML File To New Activity

Aug 18, 2009

I created a new Activity and created a new layout file under res/ layout . after this,i also want to add a options menu file under res/menu.but how could i bind all these layout file with this Activity? I can't find any info in manifest file. or i missed it?

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Android : How To Create A ListView With Different View/layout For Each Row

Oct 26, 2009

Just have a look in the system app contacts --->add new contact, this activity have a listview with different structured views for each row. I could do this by override the "getView" method, but a problem I'm facing is edittext will lose focus when I click on it. What happened when the view enter touch mode?

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Android : Layout - Listview Pushes View Outside Screen

Nov 14, 2010

I have two textviews, a listview (this is a listactivity, by the way) and a datepicker. All is supposed to be displayed in this order, vertically.

The problem is that the ListView is pushing the datepicker below the screen, to the depths of the unseen world. I want the datepicker to have its own space, fixed at the bottom, while the listview grows as needed, but still allowing datepicker to have its own space.

+/- like this:

~~~~~~~~~~~~~~~ screen top

TextView 1

TextView 2

|

|

|

| ListView [*]

|

|

|

DatePicker (stays here no matter how much List grows or shrinks

~~~~~~~~~~~~~~~ screen bottom

[*] -> This listview will scroll a lot, but won't hide datepicker!

I know it's very lazy to ask for ready code, but could you guys share a light? This is driving me crazy. I've tried millions of combinations I believe.

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Android : Can I Create ListView And Setting Background Color Of View In Each Row?

Apr 4, 2010

I am trying to implement a ListView that is composed of rows that contain a View on the left followed by a TextView to the right of that. I want to be able to change the background color of the first View based on it's position in the ListView. Below is what I have at this point but it doesn't seem to due anything. Code...

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Android :: Android's Listview - Update View Within Of Cells Just After Invalidating Activity's View

May 15, 2010

I have ListViewActivity
public class SelectActivity extends ListActivity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.select_one_of);
SimpleAdapter adapter = new SimpleAdapter(
this,
createChildList(),
R.layout.select_one_of_childrow,
new String[] { KEY_VALUE },
new int[] { R.id.selectoneof_add_new_item});
setListAdapter(adapter);
}
// ...
}

after setListAdapter() calls I would like to execute the following code:

((TextView) getListView().getChildAt(0).findViewById(R.id.selectoneof_add_new_item)).setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ticked, 0); but getListView().getChildAt(xxx) returns null and I catch NullPointerException. Where should I put mentioned above code-snippet?

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Android :: Add A View / Activity On Top Of A ListView

Jun 2, 2010

I want to have a view with several choices when I click an element of my ListView. I was thinking of implementing an AlertDialog but as I need more than 3 options it is not possible. I also thought of putting my ListView in a FrameLayout and have an view with a gone visibility that I would turn visible at the click and update the content but I don't know If it's a good idea. Code...

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Android :: Way To Connect A Layout View With An Activity?

Feb 4, 2010

It displays the first view correctly but i want it to be connected to a java class so i created an FirstActivity class where i can control all my components in the first view but how do i attach the first.xml layout with the FirstActivity java class ?

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Android :: Way To Add A View To Overlap Other Views In Layout / Activity?

Apr 19, 2009

Is it possible to add a view dynamically that overlaps other views in the layout. I have Linear Layout defined for the activity. As part of the Layout I have a custom View. The content changes dynamically and sizes appropriately based on the content size, with fill_parent for width and wrap_content for height. But what I want is, dynamically take over the full screen and then based on a click go back to the normal mode. Is there a mode to display a view where - in it can overlap all other views in the layout?

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Android :: Dynamically Adding A View To Activity Layout

Aug 18, 2010

I have a custom view (an extension of a TextView) that I want to dynamically add to my Layout (don't want to include it in the main.xml file).

The book says to fetch the RelativeLayout using findViewById() in my java code then create a new instance of my custom view, then use addView on the RelativeLayout to add the new view.

I'm not getting any errors, but when I click my button to add the new view, nothing is happening (view isn't being added). Do I need to set additional properties on my custom view (layout width, layout height for example) in order for it to be shown?

Adding code

CODE:............

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Android :: Which View / Layout Does Market Application (1.6) Details Activity Use?

Feb 26, 2010

I want to do something very similar (in terms of appearance) to the app details activity of the Market app. It looks like a cross between linear layout (not all rows the same), list (scrolling nature), preferences (headings). My guess is its a linear layout in a scroll view (ignoring activity header/footer) and the headings are just hard coded.

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Android : Add View Progamatically To Activity's Absolute Layoute Setting It's Possition?

Oct 7, 2010

I have a form with several Views on it, the last one is a Spinner that is bound to an adapter to get it's data from a Web Server via a POST request, at the end I append an additional entry for "Other...". If this option is selected on the spinner, a new EditText View at the bottom where the user enters a custom value, I've managed to get the EditText View to show on the screen, but it's positioned at the very top, over my other Views and I can't seem to find the way to make it appear at the bottom, below the Spinner as I want it to, here is the code I have so far:

EditText suggestCarrierField = new EditText(getBaseContext());
suggestCarrierField.setLayoutParams(new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT));
suggestCarrierField.setHint("Suggest your carrier");

((AbsoluteLayout) findViewById(R.id.createAccountView)).addView(suggestCarrierField);
((AbsoluteLayout) findViewById(R.id.createAccountView)).invalidate();

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Android :: What ListActivity / ListView Provide Beyond A Regular Activity / View?

Aug 7, 2010

In Android, what functionality do ListActivity and ListView provide beyond a regular Activity and View?

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Android :: Load ListPreference Items From Adapter?

May 29, 2010

I'm setting out to create a settings activity for my app. I've defined a PreferenceActivity with a nice layout including a ListPreference object for the user to select a bluetooth device. I'm having trouble dynamically populating the list. I would like to populate ListPreference with values from an array adapter (which I'll create and populate with relevant bluetooth device names). If this were a spinner View, I could just call setAdapter(). However with the ListPreference object I can't figure out how to attach an adapter (findviewByID won't cast from View To ListPreference, so I can't even get a handle to the object). I would like to attach an adapter and then populate the adapter with values, which in turn would populate the ListPreference with values.

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Android : Implementation Of A Simple AdapterView Where Items Comes From An Basic Adapter

Apr 1, 2010

I'm trying to make (for learning purposes) my own implementation of a simple AdapterView where items comes from an basic Adapter (ImageAdapter from sdk samples).

Actual code is like this:

public class MyAdapterView extends AdapterView<ImageAdapter> implements AdapterView.OnItemClickListener{
private ImageAdapter mAdapter;
public MyAdapterView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initThings();}
private void initThings(){
setOnItemClickListener(this);}
@Overridepublic ImageAdapter getAdapter() {
// TODO Auto-generated method stubreturn mAdapter;}
@Overridepublic void setAdapter(ImageAdapter adapter) {
// TODO Auto-generated method stub
mAdapter=adapter;
requestLayout();}
View obtainView(int position) {
View child = mAdapter.getView(position, null, this);
return child;} code...

This isn't a coding masterpiece, it just displays a pseudo-listview with pictures. I know i could've used ListView, GridView, Spinner, etc. but i'm relative new to android and i'm trying to figure out some things on it. Well, the question here is Why is my onItemClick not firing?

Using the same ImageAdapter with a GridView, everything works ok, but when i use with above class, i get nothing. Inside AdapterView.java there is code for those click, longclick, etc events... so why can't i just fire them? Maybe i'm misunderstanding basic things on how AdapterView works? Should I extend other base classes instead? And why? Hoping to find more experienced guidance on here, thanks in advance.

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Android :: How To Handle Empty ListView?

Sep 22, 2010

My app connects to the net and populates a ListView. Sometimes nothing will be returned. What is the best way to notify the user the list is empty?

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Android :: How To Add Data To An Empty ListView?

Jul 6, 2010

I have a problem with listView, I used ArrayList to store data, and a customized Adapter. But, when I remove all the data, and add one item again, it does not display anything in this list. What happens to my List, can anyone help me?

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Android :: An Empty Listview Rendered?

Feb 22, 2010

If a listview is not given any items, how is it rendered? Will it still expand to fill the space in the layout allotted to it?

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Android :: Possible To Use A ViewGroup For Empty ListView?

Jul 30, 2010

I have a ListActivity whose layout looks like. code...

However, my empty list view consist only of the ImageView listed first inside the nested LinearLayout.

This seems like a reasonable thing to do but I don't completely understand Android's layout rules yet.

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Android :: Way To Show Message On ListView Only With It's Empty?

Oct 27, 2010

I'm developing an Android application.Is there any way to show a message on a ListView only with it's empty?I'm using a custom ArrayAdapter, so I have to create a specific object with the text I want to show.I'm wondering if there is a specific field on ListView to setup a message when it's empty.

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Android :: Adding Empty Space To End Of ListView

Oct 17, 2010

I have a ListView that with alphabetical headers for each letter. I also have an index function that brings the letter headers to the top of the screen.

My problem is when I reach the end of the list setSelection is unable to bring the last few headers to the top because it will not scroll past the end of the list.

My question is this: Is there a way to add a blank space to the end of the screen dependent on screen size? I would like to scroll until the last item in the list is at the top of the listView.

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Android :: Layout - Status Bar Space Remains Empty || - Animation

May 12, 2010

(1) I have an issue with the following code:

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

On my emulator this seems to work fine. The status bar disappears and the empty space is filled with the content view. However on my Nexus One this sometimes works and sometimes the empty space remains empty/black. I tried to counteract this, but my naive approach wasn't fruitful:

handler.postDelayed(new Runnable() {.............

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Android :: Call To ListView's Set Empty Method Not Working

Sep 16, 2010

I have an Activity which contains a ListView defined in XML (its not subclassing the List Activity class).I want to display a message when the ListView is empty, so I tried doing so with the setEmptyView method: Code...

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HTC Hero :: Home Screen Layout - One Page Empty

Aug 21, 2009

After fiddling around with my home screen layout for a couple weeks now, I've settled on what works for me. The problem is, I have one of my seven pages sitting empty! So I'm looking for suggestions. I'll let you know what I've already got covered:
Toggle switches
Program, contact, and bookmark shortcuts
Music, weather, notepad, and calendar widgets

I'm not interested in Twitter and I haven't found the stock text or email widgets to be that useful because I can only see one at a time and usually have to link to the full program. The icons with unread number are working well enough.I'm looking for any cool widget or folder ideas that I may have passed over on the market, or creative layout ideas.

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